Home / 2,879,515,310.38-4,315,480,568.65-1,219,368,380.67

Finding the Fourth Proportional to 2,879,515,310.38, 4,315,480,568.65 and 1,219,368,380.67

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Solution

The fourth proportional to 2,879,515,310.38, 4,315,480,568.65 and 1,219,368,380.67 is: 1,827,446,630.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,879,515,310.38 : 4,315,480,568.65 = 1,219,368,380.67 : x
  2. Step 2: Convert to fraction form
    2,879,515,310.38/4,315,480,568.65 = 1,219,368,380.67/x
  3. Step 3: Cross multiply
    2,879,515,310.38x = 4,315,480,568.65 × 1,219,368,380.67
  4. Step 4: Simplify right side
    2,879,515,310.38x = 5,262,160,552,809,065,472
  5. Step 5: Solve for x
    x = 5,262,160,552,809,065,472/2,879,515,310.38
  6. Step 6: Final answer
    x = 1,827,446,630.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.